Independent steering driving wheel for all-around autonomous mobile platform

A technology of autonomous movement and independent steering, applied in electric steering mechanism, power device, motion deposition, etc., can solve the problems of insufficient compactness and flexibility, poor stability, high noise, etc., to achieve compact and beautiful structure, enhance stability, and avoid line entangled effect
CN108909436AInactive Publication Date: 2018-11-30BEIJING UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING UNIV OF TECH
Publication Date
2018-11-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

An independent steering driving wheel for an all-round autonomous mobile platform belongs to the technical field of driving wheels. The driving wheel comprises a traveling mechanism, a damping mechanism, a stress supporting mechanism and a steering mechanism. The traveling mechanism is driven by a hub motor to travel, and a rubber tire of the hub motor used in the platform has a remarkable effectin stability improvement and noise reduction. The damping mechanism adopts a double spring structure to ensure that wheels are in the same plane and also plays a certain supporting role, so that the all-around mobile platform can overcome the uneven road surface and maintain the stability of an independent steering wheel during compression and movement. The stress supporting mechanism is used forsupporting the platform through the driving wheel and is composed of the hub motor, springs, a cylindrical tray, a tray cover, a steering shaft and a universal wheel. The steering mechanism is used for horizontal steering of the driving wheel and comprises a steering shaft, an angular contact bearing, a universal wheel and a steering motor. The steering mechanism enables each wheel to achieve positive and negative 90-degree rotation to achieve the all-around purpose.
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Description

technical field

[0001] The present invention is based on an all-round autonomous mobile platform, and is practically applied to independent steering driving wheels of medical automatic wheelchair beds. The independent steering drive wheel has the characteristics of flexibility, compactness, omnidirectional rotation, light weight, etc., is suitable for an omnidirectional mobile platform with high requirements on complex space and maneuverability, and belongs to the technical field of drive wheels. Background technique

[0002] The independent steering drive wheel is an important part of the omnidirectional mobile platform and the power device of the omnidirectional mobile platform. It has the functions of traveling, steering, shock absorption and load bearing. The independent steering drive wheels can move freely in all directions without turning radius, and are applied to platforms with high requirements for omnidirectional movement, such as fully automatic wheelchair beds,...

Claims

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